Frederick d



(No Model.)

F. D. TAYLOR.

T001. POR PINISHING GLASS JARS.

No. 345,194. Patented July 6, 1886.

N. PETERS. PhnwLilhngmpher. Wuhingxm D. C.

there Sterns ,ig ATnNr einen.

FREDERICK D. TAYLOR, OF HARTFORD, CONNECTICUT, ASSIGNOR TO THE HARTFORDFRUIT J AR COMPANY, OF SAME PLACE.

TOOL FOR FIN'ISHING GLASS JARS.

SPECIFICATION forming part of Letters Patent No. 345,194, dated July 6, 1886.

Application filed July 6, 1885. Serial No. 170,676. (No model.)

To @ZZ whom it may concern:

Be it known that I, FREDERICK D TAYLOR, of Hartford, in the county of Hartford and State of Connecticut, have invented certain new and useful Improvements in Tools for Finishing Glass Jars, of which the following is a description, reference being had to the accompanying drawings, where- Figure lis a plan view of my device in its open position. Fig. 2 is a top view of the head of the tool wit-h parts eut away to show details of construction. Fig. 3 is a view in central longitudinal section of the tool, showing it closed and in use in finishing a jar, a part of which is also shown in section.

The object ofmy improvements is to provide a tool for grooving and finishing the necks of jars or bottles made of glass orthe like materials, which are plastic when in a heated or unfinished state, more perfect-l y than any tool now in use; and to this end myinvention consists in atool having spring-jaws with inwardturned faces for forming the outside of the neck of a jar, and wheels or like devices for grooving,which are moved outward in straight lines at substantially right angles to the axis of thc jar, and iu the peculiar means for operating the several parts,as more particularly hereinafterdescribed.

In the accompanying drawings, the letter a denotes the central stem of my improved tool; b, the U-shaped spring that tends normally to spring the arms b outward, or apart from each other, and which is fastened at the center of the bend to one end of the stem, as by clamping it between the nuts, as shown. These arms b are of substantially equal length, and they terminate in jaws that move on the guide-rods c, which are fast to and project from the tool-head d, that is secured to the outer end ofthe stem. The levers c are pivotall y supported on opposite sides of the stem below the tool-head and in the plane of the arms b. The outer and shorter arm of each lever takes into a socket in the sliding block f, and the longer arm of each lever rests against a spring, g, that is attached to and presses outward from the inner side of the arm b'. The end of each of the longer arms of the levers e is forked and straddles the stud g', which has an enlarged head that limits the play of this end'of the lever between it and the spring g. l

Within the base cl2 of the frame-like head d of the tool are ways that support the sliding blocks f, which move in the plane of the arm b and bear the grooving tools f, that are protruded a limited distance beyond the surface of the tool-head near the base by pressnre upon the side arms that bring them nearer together, and the opening of these arms, by the reaction of the spring b, acts upon the levers and causes the blocks and grooving-tools to withdraw Within the head. These grooving-tools are preferably rolls, with their peripheries shaped to form the desired groove, and are thrown out to their full extent by a slight closing movement of the arms b', the jaws on which bear removable formers h, that are used to shape the outside of the neck of the jar.

By means of the curved taper or acorn shape of the tool-head the end of the glass bulb of which thejar is made is opened out to the desired size while the glass is in a heated and plastic state,and the base d2 of the head forms a gage or stop that deiines the distance of the groove i in the jar i below the outer edge or mouth of the jar.

By the use of prior tools for forming and grooving jars in the process of finishing two grooves are apt to be formed, and an irregular depth of the groove and thickness of glass at the mouth are also produced; but by means of my improvements as embodied in the abovedescribed tool the faults are completely remedied and perfect and duplicate work insured in the successive jars formed and finished by its use.

I am aware that it is not new to make tools for finishing glass jars that have outwardspringing arms bearing formers and levers op` erated by the arms, the levers bearing grooving-tools, such being shown in patents to E. Bennett, No. 55,988, J. D. IVilloughby, No. 29,739, and T. Hipwell, No. l53,338,and such devices I do not broadly claim. I

I claim as my inventionl. In a tool for finishing glass jars and the like, in combination, the outward-springing arms bearing formers, the levers located between and operated by the arms, the springs ICO between the arms and levers thrusting the levers from the arms, the reciprocating grooving-tools operated by the levers, and the toolliead, all substantially as described.

2. In a tool for finishing glass jars and the the stem a, the spring-actuated arms b', the guide-rods c, that limit the outward play of the arms, t-he levers e, pivotally supported 15 on the stem between the arms, the spring g and studs g,tl1at determine the play of the 1elike, the tool-head, the spring-actuated arms vers, the tool-head d, and the reciprocating bearing formers,tl1e levers located between grooving-tools f, moved bythe levers, all and operated by the arxns,and the reeiproeat- I substantially as described. ing grooving-tools moving at substantially FREDERICK D. TAYLOR. right angles to the axis of the tool, al1 substantially as described.

3. In combination, in a j lVitnesses:

GHAs. L. BURDETT, K. R. VILLIAMS.

tr-finishing tool, 

